John Snow is often called the founder of epidemiology, the study of health in populations. He is best known for his work on tracking the spread of cholera during an epidemic in London in 1854.

Snow joined the staff of Outdoor Life as a senior editor in 2001. Prior to that he worked in print journalism as a beat reporter for the Hartford Courant and other publications in southern New England ...

John Snow started mapping incidences of the disease in Soho, and noticed clusters around the Broad Street water pump. Snow disabled the pump (a recently restored replica of which stands outside ...